New Class of Time Domain Algorithms of RMS Value Measurement of Non-Coherently Sampled Signals

Martin Novotny, Milos Sedlacek

Abstract

This paper introduces a new and effective method of RMS value estimation in time domain. The new approach is based on signal windowing without subsequent processing in frequency domain. Examples of newly obtained analytical formulae, comparison to the classical method and extension to multi-frequency signals are presented. Both numerical simulation and measurements are used to verify the derived formulae. The first findings based on this new method were presented in [1].

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IMEKO-TC4-2005-042.pdf

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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